The 2025 Mercedes-Benz GLS 450 4MATIC SUV stands as a beacon of luxury and performance in the full-size SUV segment. With a starting MSRP of $89,200, this vehicle delivers a compelling blend of sophisticated design, advanced technology, and robust capability. Let’s delve into the details that make the GLS 450 a standout choice for discerning drivers.
Under the hood, the GLS 450 boasts a potent 3.0L inline-6 turbo engine with mild hybrid drive, producing 375 horsepower and 369 lb-ft of torque. This powertrain enables the SUV to achieve an impressive acceleration of 0-60 mph in just 5.8 seconds. The 9G-TRONIC 9-speed automatic transmission ensures smooth and efficient power delivery, making both city driving and highway cruising a pleasure.
The exterior of the GLS 450 exudes elegance and strength. The example shown here is finished in classic Black, highlighting the vehicle’s refined lines and commanding presence. While not all available options are displayed, the configurator and inventory links provide further exploration for those looking to personalize their GLS 450 or find one readily available.
The 2025 Mercedes-Benz GLS 450 dimensions offer substantial space and road presence. The side view showcases the vehicle’s wheelbase of 123.4 inches and overall length of 205.0 inches, contributing to its spacious interior and stable ride.
Front and rear dimension views of the 2025 Mercedes-Benz GLS 450, illustrating its overall width with mirrors at 84.9 inches and without mirrors at 79.9 inches, alongside an overall height of 71.8 inches.
Core Specifications and Feature Highlights
The Mercedes-Benz GLS 450 is designed to accommodate either 7 passengers as standard or 6 optionally, ensuring comfortable travel for families or groups. The heart of this SUV is its 3.0L inline-6 turbo engine, enhanced with mild hybrid technology for improved efficiency and responsiveness. The engine output is rated at 375 hp, available between 5,500 and 6,100 rpm, providing ample power for various driving conditions.
Power is managed through a 9G-TRONIC 9-speed automatic transmission, known for its smooth shifts and contribution to fuel economy. Speaking of which, the GLS 450 achieves an estimated 19 mpg in the city and 24 mpg on the highway. Cargo capacity is generous, ranging from 17.4 cu ft to a substantial 84.7 cu ft with the rear seats folded, making it highly practical for luggage and gear.
Performance metrics are equally impressive, with the aforementioned 5.8-second sprint to 60 mph. Key dimensions include a wheelbase of 123.4 inches, an overall length of 205.0 inches, and an overall height of 71.8 inches. The width measures 84.9 inches with mirrors and 79.9 inches without. The front and rear track widths are 65.7 inches and 66.6 inches respectively, contributing to stable handling. The GLS 450 has a curb weight of 5,545 lbs, indicative of its robust construction and luxurious appointments.
Interior Space and Comfort
Inside the GLS 450, passengers are treated to a spacious and meticulously crafted cabin. Front occupants enjoy 39.4 inches of headroom, 40.3 inches of legroom, and 59.3 inches of shoulder room. Second-row passengers benefit from 40.2 inches of headroom, a generous 41.9 inches of legroom, and 58.5 inches of shoulder room. Third-row dimensions are designed to be accommodating for adults as well, with 34.6 inches of legroom. Cargo capacity is versatile, adapting to passenger and cargo needs with ease.
Engine and Performance Details
The 3.0L inline-6 turbo engine is a marvel of engineering, producing 375 hp and 369 lb-ft of torque, the latter available from 1,600 to 4,500 rpm. The engine’s compression ratio is 10.5:1, and it features a diecast alloy block and head for optimal thermal management and durability. The GLS 450 requires premium unleaded gasoline and has a fuel capacity of 23.8 gallons, offering a substantial driving range.
Fuel Economy and Emissions
The GLS 450 balances performance with reasonable fuel efficiency for its class, achieving 19 mpg city and 24 mpg highway. It meets stringent emission standards with a Bin30/SULEV30 emission certification, reflecting Mercedes-Benz’s commitment to environmental responsibility.
Transmission and Drivetrain
The 9G-TRONIC 9-speed automatic transmission is paired with 4MATIC® fully variable all-wheel drive. This advanced drivetrain ensures optimal traction and control in various weather conditions and terrains, enhancing both safety and driving confidence.
Chassis and Handling
The GLS 450 is equipped with a sophisticated 4-wheel independent suspension system, featuring double-wishbone front and multi-link rear designs. Self-leveling AIRMATIC® air suspension and Adaptive Damping System (ADS) are standard, providing a supremely comfortable and controlled ride. The steering is rack-and-pinion with electromechanical power assist, offering precise and responsive handling. The turning circle is 41.0 feet, typical for a vehicle of this size.
Wheels and Tires
The standard wheels are 21-inch triple 5-spoke designs, with 10.0×21 front and 11.0×21 rear dimensions. Tires are all-season, sized 275/45R21 at the front and 315/40R21 at the rear, providing a balance of grip, comfort, and all-weather capability.
THREE ROWS OF LEADERSHIP
The Mercedes-Benz GLS 450 truly embodies “three rows of leadership.” It is a ruggedly elegant SUV that seamlessly blends style with user-friendly technology, comfortably accommodating up to seven adults in a luxurious environment. Advanced safety features, hybrid electrification, and numerous innovations ensure the GLS 450 is not just a vehicle, but a responsive and forward-thinking companion for today and tomorrow’s journeys.
Optional Enhancements
For those seeking to further personalize their GLS 450, a range of optional packages are available. The AMG Line package adds sporty AMG body styling, 21-inch AMG twin 5-spoke wheels, a sport brake system, and AMG interior touches for a more dynamic appearance and feel. The Night Package introduces gloss black exterior accents and 21-inch AMG twin 5-spoke wheels with black accents for a distinctive and assertive look.
For enhanced rear passenger comfort, the Executive Rear Seat Package PLUS offers heated and ventilated second-row seats, multi-contour seats with massage, luxury head restraints, wireless charging, an MBUX tablet, and side-impact airbags. The Exclusive Trim package includes heated second-row seats, multi-contour front seats with massage, and rapid heating for the front seats, focusing on premium comfort features. The Pinnacle Trim encompasses all features of the Exclusive Trim, plus Air Balance cabin-air purification and fragrance systems, heated and cooled front cupholders, a Head-Up Display, MBUX Interior Assistant, Mercedes Star Pattern logo projectors, and multicontour front seats with massage, representing the pinnacle of luxury and technology. Lastly, the Warmth & Comfort Package adds heated front and second-row armrests for enhanced comfort in colder climates.
The Mercedes-Benz GLS 450 is more than just an SUV; it’s a statement of luxury, performance, and innovative technology, perfectly tailored for those who demand the best in every aspect of their vehicle.
